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| 2 - 16 GHz General Purpose Gallium Arsenide FET Technical Data ATF-26884 Features * High Output Power: 18.0 dBm Typical P 1 dB at 12 GHz * High Gain: 9.0 dB Typical GSS at 12 GHz * Low Cost Plastic Package * Tape-and-Reel Packaging Option Available[1] housed in a cost effective microstrip package. This device is designed for use in oscillator applications and general purpose amplifier applications in the 2-16 GHz frequency range. This GaAs FET device has a nominal 0.3 micron gate length with a total gate periphery of 250 microns. Proven gold based metallization systems and nitride passivation assure a rugged, reliable device. 84 Plastic Package Description The ATF-26884 is a high performance gallium arsenide Schottkybarrier-gate field effect transistor Electrical Specifications, TA = 25C Symbol GSS NFO GA P1 dB gm IDSS VP Parameters and Test Conditions Tuned Small Signal Gain: VDS = 5 V, IDS = 30 mA Optimum Noise Figure: VDS = 3 V, IDS = 10 mA Gain @ NFO: VDS = 3 V, IDS = 10 mA Power Output @ 1 dB Gain Compression: VDS = 5 V, IDS = 30 mA Transconductance: VDS = 3 V, VGS = 0 V Saturated Drain Current: VDS = 3 V, VGS = 0 V Pinch-off Voltage: VDS = 3 V, IDS = 1 mA f = 12.0 GHz f = 12.0 GHz f = 12.0 GHz Units dB dB dB 15.0 15 30 -3.5 Min. 7.0 Typ. Max. 9.0 2.2 6.0 18.0 35 50 -1.5 90 -0.5 f = 12.0 GHz dBm mmho mA V Note: 1. Refer to PACKAGING section "Tape-and-Reel Packaging for Surface Mount Semiconductors." 5-71 5965-8703E ATF-26884 Absolute Maximum Ratings Symbol VDS VGS VGD IDS PT TCH TSTG Parameter Drain-Source Voltage Gate-Source Voltage Gate-Drain Voltage Drain Current Power Dissipation [2,3] Channel Temperature Storage Temperature Units V V V mA mW C C Absolute Maximum[1] + 7 -4 -8 IDSS 275 175 -65 to +150 Notes: 1. Permanent damage may occur if any of these limits are exceeded. 2. TCASE TEMPERATURE = 25C. 3. Derate at 3.3 mW/C for TCASE > 92.5C. 4. The small spot size of this technique results in a higher, though more accurate determination of jc than do alternate methods. See MEASUREMENTS section for more information. Thermal Resistance: Liquid Crystal Measurement: jc = 300C/W; TCH = 150C 1 m Spot Size[4] Part Number Ordering Information Part Number ATF-26884-TR1 ATF-26884-STR Devices Per Reel 1000 10 Reel Size 7" strip ATF-26884 Typical Performance, TA = 25C 25 25 20 MSG 20 MSG MSG MAG GAIN (dB) GAIN (dB) 15 15 MAG 10 MAG 10 |S21|2 MSG 5 |S21|2 5 0 2.0 4.0 6.0 8.0 10.0 12.0 16.0 0 2.0 4.0 6.0 8.0 10.0 12.0 16.0 FREQUENCY (GHz) FREQUENCY (GHz) Figure 1. Insertion Power Gain, Maximum Available Gain and Maximum Stable Gain vs. Frequency. VDS = 3 V, IDS = 10 mA. Figure 2. Insertion Power Gain, Maximum Available Gain and Maximum Stable Gain vs. Frequency. VDS = 5 V, IDS = 30 mA. 5-72 Typical Scattering Parameters, Common Emitter, Z O = 50 , TA = 25C, VDS = 3 V, IDS = 10 mA Freq. GHz 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 S11 Mag. .96 .91 .86 .79 .73 .67 .62 .57 .53 .52 .49 .52 .56 .60 .65 .68 .69 Ang. -36 -56 -78 -97 -113 -127 -144 -168 168 147 124 103 80 65 52 40 30 dB 6.9 7.4 7.6 7.2 6.8 6.4 6.4 6.2 5.8 5.2 4.9 4.6 4.0 3.3 2.9 2.3 1.3 S21 Mag. 2.21 2.35 2.39 2.30 2.20 2.10 2.08 2.03 1.96 1.81 1.76 1.70 1.58 1.46 1.40 1.30 1.16 Ang. 142 123 103 86 71 56 41 23 6 -10 -22 -36 -54 -72 -83 -99 -112 dB -26.6 -23.0 -20.6 -19.5 -18.9 -18.4 -17.9 -17.5 -17.3 -17.2 -17.1 -16.7 -16.3 -16.3 -16.3 -16.0 -15.9 S12 Mag. .047 .071 .093 .106 .114 .120 .128 .134 .136 .138 .140 .146 .153 .153 .153 .158 .159 S22 Ang. 64 50 36 25 16 9 1 -8 -16 -22 -26 -31 -37 -42 -48 -56 -72 Mag. .81 .77 .70 .66 .62 .61 .58 .54 .47 .41 .39 .37 .35 .35 .37 .41 .47 Ang. -25 -38 -50 -61 -70 -78 -88 -101 -116 -133 -143 -154 -171 173 132 101 87 Typical Scattering Parameters, Common Emitter, Z O = 50 , TA = 25C, VDS = 5 V, IDS = 30 mA Freq. GHz 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 S11 Mag. .94 .87 .79 .71 .64 .57 .52 .48 .48 .48 .49 .53 .57 .62 .70 .75 .74 Ang. -41 -65 -89 -109 -126 -142 -162 174 149 130 108 88 69 56 44 33 24 dB 9.2 9.5 9.3 8.7 8.1 7.5 7.2 6.9 6.5 5.9 5.6 5.2 4.7 4.1 3.7 3.0 2.3 S21 Mag. 2.88 2.97 2.93 2.73 2.54 2.38 2.30 2.21 2.11 1.97 1.91 1.82 1.71 1.60 1.53 1.41 1.30 Ang. 138 118 97 79 64 50 35 18 1 -14 -25 -39 -55 -75 -87 -103 -117 dB -30.8 -27.3 -25.5 -24.9 -24.4 -24.0 -23.1 -21.9 -20.4 -19.7 -18.1 -16.2 -15.2 -14.8 -13.8 -12.9 -13.6 S12 Mag. .029 .043 .053 .057 .060 .063 .070 .080 .095 .104 .125 .155 .173 .182 .205 .226 .210 S22 Ang. 65 51 40 35 33 31 30 28 24 22 20 18 5 -1 -16 -28 -44 Mag. .84 .80 .74 .71 .69 .69 .69 .67 .63 .57 .55 .54 .52 .52 .52 .54 .63 Ang. -23 -34 -44 -53 -60 -67 -76 -87 -100 -114 -122 -132 -146 -165 165 135 114 A model for this device is available in the DEVICE MODELS section. 5-73 84 Plastic Package Dimensions 0.51 (0.020) 4 SOURCE 268 GATE 1 2 DRAIN 3 SOURCE 2.15 (0.085) 5 0.20 0.050 (0.008 0.002) 1.52 0.25 (0.060 0.010) 5.46 0.25 (0.215 0.010) 0.51 (0.020) DIMENSIONS ARE IN MILLIMETERS (INCHES) 5-74 |
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